3 Using simple exponential smoothing and the following time series data, respond to each of the items. Period Demand 1 126 25 2 112 points 3 135 4 145 ipped 5 166 6 161 7 132 s 141 eBook 9 116 1a 131 Print References Click here for the Excel Data File b. Compute all possible forecasts using a smoothing coefficient (a) of 0.35. (Negative amounts should be indicated by a minus sign. Round your answers to 2 decimal places.) 4 Check my work 3 c. Compute all possible forecasts using a smoothing coefficient (a) of 0.85. (Negative amounts should be indicated by a minus sign. Round your answers to 2 decimal places.) 25 points Period Demand Exponential Smooth Error Absolute Error Skipped 1 126 N 112 3 135 eBook 4 145 Print 5 106 References 6 101 7 132 8 141 9 110 10 131 11Check my work 3 d. Compute the MADs for each exponential smoothing forecast. (Round your answers to 2 decimal places.) Average Forecast For an alpha of 0.35, the MAD 25 points For an alpha of 0.85, the MAD Skipped eBook Print References e. Which forecast model would you choose? Why? The forecast using the smoothing coefficient (a) of model is to be chosen because it has a measure of error (MAD)